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Finding the Fourth Proportional to 222,362.20, 333,543.30 and 133,715.80

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Solution

The fourth proportional to 222,362.20, 333,543.30 and 133,715.80 is: 200,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,362.20 : 333,543.30 = 133,715.80 : x
  2. Step 2: Convert to fraction form
    222,362.20/333,543.30 = 133,715.80/x
  3. Step 3: Cross multiply
    222,362.20x = 333,543.30 × 133,715.80
  4. Step 4: Simplify right side
    222,362.20x = 44,600,009,194.14
  5. Step 5: Solve for x
    x = 44,600,009,194.14/222,362.20
  6. Step 6: Final answer
    x = 200,573.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.